/**
 * Created by benhailong on 2017/11/8.
 */
//JS操作cookies方法!

//写cookies
function setCookie(c_name, value, expiredays){
    var exdate=new Date();
    exdate.setDate(exdate.getDate() + expiredays);
    document.cookie=c_name+ "=" + escape(value) + ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

//读取cookies

// cookies 取出中文  var getname= unescape(document.cookie.split(name+"=")[1].split(";")[0]);

function getCookieGbk(name)
{
    var getname= unescape(document.cookie.split(name+"=")[1].split(";")[0]);
    return (getname);
}

function getCookie(name)
{
    var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");

    if(arr=document.cookie.match(reg))
        return (arr[2]);
    else
        return null;
}

//删除cookies
function delCookie(name)
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
    if(cval!=null)
        document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}
//使用示例
// setCookie('username','Darren',30)
// alert(getCookie("username"));